<!DOCTYPE html>
<html>
    <head>
    <style type="text/css">
        body {
            margin: 0;
        }
        div {
            position: absolute;
            left: 100px;
            width: 200px;
            height: 100px;
            background-color: green;
        }
    </style>
    </head>
    <body>
        <div>
        </div>
    </body>
</html>
